<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
</html>
<script type="text/javascript">
    // console.log(/^[0-5]{5}$/.test("12131"))
    // console.log(/^[0-5]{5}$/.test("12136"))
    // console.log(/^[0-z]{5}$/.test("1ac1a"))
    // console.log(/^[1ac]{5}$/.test("1ac1b"))
    // console.log(/^[1ac]{5}$/.test("1ac1b"))
    // console.log(/^[0-z]{0,}$/.test("1ac1bdadsacdsscs"))
    // console.log(/^[0-z]{2,8}$/.test("22"))
    // console.log(/^[0-z]{2,8}$/.test("2222"))
    // console.log(/^[0-z]{2,8}$/.test("234324242"))
    // console.log(/^[0-z]{2,8}$/.test("23221111"))
    // console.log(/[1-9]{2,}/.test("2322"))
     var date = new Date();
    console.log(date.getFullYear())

</script>